PGA rocket engine

Chalk up another milestone for Stratolaunch Systems’ rocket engine development effort: The Seattle-based space company founded by late Microsoft co-founder Paul Allen says it ramped up the preburner for its… Read More

Stratolaunch Systems, the space venture founded by Microsoft co-founder Paul Allen, says it has successfully completed the first hot-fire test of a key component for its hydrogen-fueled PGA rocket engine.… Read More